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export VM_MIN_KERNEL_ADDRESS and VM_MAX_KERNEL_ADDRESS via sysctl.

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On several platforms the are determined by too many nested #defines to be
easily discernible.  This will aid in development of auto-tuning.
This commit is contained in:
Alfred Perlstein 2012-11-06 04:10:32 +00:00
parent a21345b401
commit fc6874bcbb
1 changed files with 8 additions and 0 deletions
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8
sys/kern/kern_malloc.c
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@ -186,6 +186,14 @@ struct {
*/
static uma_zone_t mt_zone;
static u_long vm_min_kernel_address = VM_MIN_KERNEL_ADDRESS;
SYSCTL_ULONG(_vm, OID_AUTO, min_kernel_address, CTLFLAG_RD,
&vm_min_kernel_address, 0, "Min kernel address");
static u_long vm_max_kernel_address = VM_MAX_KERNEL_ADDRESS;
SYSCTL_ULONG(_vm, OID_AUTO, max_kernel_address, CTLFLAG_RD,
&vm_max_kernel_address, 0, "Max kernel address");
u_long vm_kmem_size;
SYSCTL_ULONG(_vm, OID_AUTO, kmem_size, CTLFLAG_RDTUN, &vm_kmem_size, 0,
"Size of kernel memory");